Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of danfoss err series hydraulic pump in China. We warmly welcome you to wholesale bulk danfoss err series hydraulic pump for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Product Overview
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The Danfoss ERR series consists of high-performance axial piston pumps designed specifically for open-circuit hydraulic systems. These pumps are engineered to convert mechanical energy into hydraulic power with minimal energy loss.
Key Advantages
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- Optimized Efficiency: The advanced internal design reduces friction and heat generation, translating to lower fuel consumption for mobile equipment.
- Compact Footprint: Despite their high power density, these pumps feature a space-saving design that integrates easily into tight engine compartments.
- Low Noise Levels: Quiet operation makes them ideal for municipal vehicles and indoor industrial setups where noise regulations are strict.
- Robust Construction: Built with heavy-duty bearings and high-grade materials, the ERR series handles continuous pressure spikes without failing.
- Flexible Control Options: Available with pressure-compensated and flow-compensated (Load Sensing) controls to match precise application needs.
Technical Specifications
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| Parameter Type | Technical Measurement / Detail |
| Pump Type | Axial Piston, Variable Displacement |
| Circuit Type | Open Circuit |
| Displacement Range | 100 cc/rev to 147 cc/rev |
| Maximum Rated Speed | Up to 2400 RPM (depending on displacement) |
| Continuous Operating Pressure | 310 bar (4496 PSI) |
| Maximum Peak Pressure | 400 bar (5800 PSI) |
| Rotation Direction | Clockwise (R) or Counter-Clockwise (L) options |
| Control Types | Pressure Compensated (PC), Load Sensing (LS) |
| Mounting Flange | SAE Standard |
Applications
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| Industry | Specific Equipment | Role of the ERR Pump |
| Construction | Excavators, Wheel Loaders, Trenchers | Powers primary boom movements and high-flow auxiliary attachments. |
| Agriculture | Combine Harvesters, Large Tractors | Drives fluid-dependent steering systems and heavy implements smoothly. |
| Forestry | Forwarders, Harvester Heads | Provides the high-pressure response needed for rapid wood cutting and gripping. |
| Material Handling | Rough-Terrain Forklifts, Mobile Cranes | Ensures smooth, jerk-free lifting operations under maximum weight capacity. |
Related Models
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| Model Number | Displacement (cc/rev) | Primary Feature & Distinction | Best Used For |
| ERR 100 | 100 | Highest speed capability in the series; offers rapid response times under erratic loads. | Compact construction equipment and material handling. |
| ERR 130 | 130 | Balanced mid-range model optimized for high continuous pressure stability. | Agricultural machinery and medium forestry equipment. |
| ERR 147 | 147 | Maximum flow output in the ERR family; features reinforced internal bearings for heavy loads. | Heavy-duty mining, large excavators, and drilling rigs. |
FAQ
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What is the main difference between an ERR pump and a fixed displacement pump?
A fixed displacement pump moves the same amount of oil with every rotation, regardless of what the machine needs, which wastes energy. The ERR pump can vary the amount of oil it pushes per turn, saving fuel and reducing heat when the hydraulic system is idling.
Can I run a clockwise (CW) ERR pump in a counter-clockwise (CCW) system?
No. Operating a hydraulic pump in the wrong direction of rotation will cause immediate internal damage due to lack of lubrication and incorrect fluid routing. Always verify the rotation orientation before installation.
Contact Us
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Request a Quote Today to ensure your hydraulic system performs at its best with genuine components from Yanhui Hydraulic.
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